5b8744c83f96d33d1f4359f51675db7d5282d950d691cf782f04248769618090

Analysis

max time kernel
122s
max time network
133s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 09:45

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General

Target

5b8744c83f96d33d1f4359f51675db7d5282d950d691cf782f04248769618090.xls
Size

56KB
MD5

9171adfe154ff57424dfd245c318681d
SHA1

637a3dc61e664d5324626c26cae8e525307356d5
SHA256

5b8744c83f96d33d1f4359f51675db7d5282d950d691cf782f04248769618090
SHA512

15bded713d92975e8f06be632c194074d72d7710bfeef4eccb296ee2a0e4cd2e41d7345a6a3716a18c7f323bdcdb57909f5ceb32228a17a66ceb8f2244ba5797
SSDEEP

1536:VsKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg/5G9XSZ4umvz:aKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgY

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://church.ktc-center.net/PbSkdCOW/

xlm40.dropper

https://chobemaster.com/components/gus/

xlm40.dropper

https://christianchapman.com/cgi-bin/gADHL9UXSFUTN/

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2964	1552	regsvr32.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1552	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1552	EXCEL.EXE
1552	EXCEL.EXE
1552	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2964	1552	EXCEL.EXE	32
PID 1552 wrote to memory of 2964	1552	EXCEL.EXE	32
PID 1552 wrote to memory of 2964	1552	EXCEL.EXE	32
PID 1552 wrote to memory of 2964	1552	EXCEL.EXE	32
PID 1552 wrote to memory of 2964	1552	EXCEL.EXE	32
PID 1552 wrote to memory of 2964	1552	EXCEL.EXE	32
PID 1552 wrote to memory of 2964	1552	EXCEL.EXE	32

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\5b8744c83f96d33d1f4359f51675db7d5282d950d691cf782f04248769618090.xls
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\adw.dll
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\adw.dll

Filesize
82B

MD5
98f4a2fc2ed62a2d58dfd8665525bdf6

SHA1
6263986a53868c51cea22db308470af551bb2075

SHA256
3c1a63b59c237d3bb143e42eb9d309be15312ff604c51bc8ab1fdd1c4b3e08fe

SHA512
1ac507d20459ea5a4fb58c6be36fcc0dfc7c1e117a99bae97c52b5498dfbc7bfdb8cf20840fd202db59dbb711e815c3f3f90efb43fec296f0260ee89bce35455

Download Submit
memory/1552-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1552-1-0x000000007268D000-0x0000000072698000-memory.dmp

Filesize
44KB

Download
memory/1552-2-0x000000007268D000-0x0000000072698000-memory.dmp

Filesize
44KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads